Document ZJdg273LM7XRgDLXzboJ0V9EV

mciiiiir:fs - iSTc Annual Reports Dii c joinpc Ccrr.wr., 1937 1976 1936 1956 1936 1969 1947 1971 1935 J 944 1957 1937 1945 1944 1957 1 976 1936 1969 1 976 1976 I 976 1976 1966 1979 1974 1970 1944 1955 1953 1971 1968 1974 195M 1974 1972 197t, 195H 1973 1972 1976 1974 1974 J 952 1 976 1 07 i 1 076 1 ui7 1937 I 9 16 1 906 197 3 1 97 >1 1 964 1 976 "Abrasive Grain Association Allegheny County Sanitary Authority Allegheny Ludlum Industries, Inc. Allied Chemical Corp. Aluminum Company of America Aluminum Company oi Canada, Ltd. 1 American Can Co. American Foundrymen's Society American Insurance Association American Iron and Steal Institute AMAX. Inc. American Mining Congress American Mutual Insurance Alliance A. O- Safety Products (Div. of American Optical Corp.) American Petroleum Institute -> American Restaurant China Council, Inc. ASARCO Incorporated American Textile Mfrs. Institute. Inc. American Welding fc Manufacturing Co. American Wood Preservers Institute Amenchem Inc. Anaconda Co., Wire It Cable Div. ARCO/Folymers, Inc. ArgonautIneurance Co. BASF .W y&ndotte Corp. The Bahnson Co. Brush Wellman, Inc. CPC International, Inc. Can Manufacturers Institute, Inc. Cemented Carbide Producers Association Certain-Teed St. Cobain Insolation Corp. Chrysler Corp. Ciba-Geigy AG Colt Industries Inc. Columbia Gas System Service Corp. Commercial Shearing, Inc. Companhia Siderurgica Nacional Consolidated Edison Co. of New York, Inc. Consolidated Natural Gas Service Co. Consolidation Coal Co., Inc. D'Appolonia Consulting Engineers, Inc. DrSoto, Inc. Diamond Shamrock Corp. Dirk Corp. Dow Chemit-ai U. S. A. Dow Corning Corp. Draaen/eld Division, Hercules, Inc. ^ Dravo Corp. E. I. du Pont de Nemours L Co. Eastman Kodak Co. Minerals L Chemicals Division. Engelhard Minerals & Chemicals Corp. Epic Metals Corp. Eouttaoie Life Assurance Society of U. S. Exxon Corp. Essex G roup Dal c JoineC Company 1 973 1976 1974 1976 .1936 1970 1947 1951 1942 1974 1954 1937 1950 1976 1936 1976 1972 1976 1973 1937 1975 1973 1947 i 947 1970 1974 1936 . 1939 1955 1974 1942 1970 1962 1968 1974 1937 1976 1966 1970 1937 1965 1974 1936 1974 1975 1936 1937 1974 1973 1972 1953 1937 I 937 1972 1975 1970 1 93H Falcon Foundry Co- Fort Pitt Steel Casting Fostoria Glass Co. Franklin Glue Co. . .Foundry-Supply Manufacturers Croup General Cigar Co.. Inc. General Electric Co. General Mill*. Inc. General Motors Gory.--*-- " - -- General Refractories Co. Georgia Kaolin Co. "^Grinding Wheel Institute Gulf Oil Corp. Halcon International, Inc. Hall China Co. Har bis on-Walker Refractories Heinz (J.S.A. (Civ. of H. J. Heinz Ci Hill <c Griffith Co. Howell Industrial Clime Huntington Alloyti, Inc. .Industrial Gasket & Shim Co-. Jnc. Ingersoil-Rand Co. Inland Steel Co. IBM' Corp. International Lead Zinc Research Org. International Technical Information Inst. Johns-Manville Corp. Jones It Laughlin Steel Corp. Kawecki Berylco Industries, inc. Kopp Class, Inc. Koppers Co., Inc. Laclede Steel Co. Lagoven. S. A. Homer Laughlin China Co. Lenox Crystal. Inc. J. 5.* McCormick Co. Marathon Oil Co. Marcona Mining Co. Marion Health Safety, Inc. Metropolitan Life Insurance Co. Miles Laboratories, Inc. Miliiken Brick Co. Mine Safety Appliances Co. Mobay Chemical Co. Monongaheia Iron (t Metal Co.. Inc. Motor Vehicle Mfrs. Assn. '' .S. . Inc NL Industries, I,it. National AsinesJing Box Co. National Forge Co. Organization Hc-sojrt <* Corns < to rs. Ir.c Owens-Corninc rio.-rgjj.* Corp. PPG Jndusi rii :., I.... Penns vlvani.. Gl.s- a-.;.c Corp. Peoples Natural C*s Co- Pittsburgh L Lake Erie Raiir'.sci Pneuma/il Corp. Portland Cement Atsociatiun IHT Members (continued) Cat* Joined C onriMpy 1970 1973 1976 1966 i 976 1937 1976 1972 1976 1973 1937 1956 1956 1971 1976 1974 1972 1974 1956 1975 1962 1976 1965 Potters Industries, Inc. Pullman-Standard RAD Services, Inc. Raybesto*-Manhattan, lac. The Refractoriee Institute H- H. Robertson Co. SCM Corp. Safety First Industries, Inc. Schering-Plough Corp. The Sager Glove Corp. St. Joe Minerals Corp. Saueretsea Cements Co. Seattle Services Div., The Boeing Co./ Seleaium-Tellurtom Development Assn., Inc. Senco Products, Inc. Sharon Steel Corp. Shell CHI Co. Sheaango Inc. Soap and Detergent Association The Standard Oil Co. Stauffer Chemical Co. Stellite Division. Cabot Corp. Sturm. Ruger k Co., Inc. Date J oioed Comwnv 1969 Tenneco, Inc. 1966 Thermal Insulation Mfra. Ann., Inc. 1976 Tile Council of America. Inc. 1970 Travelers Insurance Co. 1972 Tri-State Engineering Co. 1976 U-VI Inc. 1936 Union Carbide Corp.___ 1974 'United State^Gypsum Co. 1970 U. S. Mineral Products Co. 1936 ' ,JJ. S. Potters Association 1936 . Belted States Steel Corp. 1960 : Van Straaten Chemical Co. 1972 Vesuvius Crucible Co. 1975 .. Vulcan Mold fc Iron CoV. 1976 WABCO Transportation Systems Croup 1975 Washington Mould Machine Foundry Co 1974 Watson-Standard Co. - ___ 1937 Wedron Silica Division. " Del Monte Properties Co- 1962 Western Electric Co., Inc. 1937. Westinghouse Electric Corp. 1976- Williams & Co. , Inc. 1968 . Arthur C. Withrow Co. 1975 Young Galvanizing, Inc. NEW MEMBERS Allegheny County Sanitary Authority American Restaurant Chi.ta Council. Inc. American Welding and Manufacturing Company American Wood Preservers Institute ...........A me richem. Incorporated .. Anaconda Company, Wire and Cable Division ' * Commercial Shearing, Incorporated Dick Corporation Dow Coming Corporation Essex Croup, Incorporated Fort Pitt Steel Caating The Franklin Clue Company Hale on International, Incorporated Harbison-Walker Refractories Hill and Griffith Company Marathon Oil Company RAD Services, Incorporated The Refractoriee Institute Schering-Plough Corporation Senco _-_-oducts, Incorporated SCM Corporation Stellite Division, Cabot Corporation Tile Council of America. Incorporated U-VI Incorporated WABCO Transportation Systems Group William* no Company, Incorporated